<template>
  <div class="app-container">
    <el-form
      v-show="showSearch"
      :model="queryParams"
      ref="queryForm"
      size="small"
      inline
      label-width="68px"
      @submit.native.prevent
    >
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['tianqi:projectCase:add']"
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['tianqi:projectCase:remove']"
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete()"
          >批量删除</el-button
        >
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList" />
    </el-row>

    <el-table
      v-loading="loading"
      :data="projectCaseList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" type="index" width="50" align="center" />
      <el-table-column label="图标" prop="icon" width="120" align="center">
        <template slot-scope="scope">
          <image-preview :src="scope.row.icon" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="标题" prop="title" min-width="160" show-overflow-tooltip />
      <el-table-column label="简介" prop="intro" min-width="200" show-overflow-tooltip />
      <el-table-column label="是否展示" width="100" align="center">
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.status"
            :active-value="1"
            :inactive-value="0"
            @change="handleStatusChange(scope.row)"
          />
        </template>
      </el-table-column>
      <el-table-column label="排序" prop="sort" width="80" align="center" />
      <el-table-column label="操作" align="center" width="200">
        <template slot-scope="scope">
          <el-button
            v-hasPermi="['tianqi:projectCase:query']"
            size="mini"
            type="text"
            icon="el-icon-view"
            @click="handleView(scope.row)"
            >查看</el-button
          >
          <el-button
            v-hasPermi="['tianqi:projectCase:edit']"
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            >修改</el-button
          >
          <el-button
            v-hasPermi="['tianqi:projectCase:remove']"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改项目案例对话框 -->
    <el-dialog
      :title="title"
      :visible.sync="open"
      width="800px"
      append-to-body
      :close-on-click-modal="false"
      @close="cancel"
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="标题" prop="title">
          <el-input
            v-model="form.title"
            placeholder="请输入标题"
            maxlength="100"
            clearable
          />
        </el-form-item>
        <el-form-item label="简介" prop="intro">
          <el-input
            v-model="form.intro"
            placeholder="请输入简介"
            maxlength="200"
            show-word-limit
            clearable
            type="textarea"
            :rows="3"
          />
        </el-form-item>
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="排序" prop="sort">
              <el-input-number
                v-model="form.sort"
                :min="0"
                :max="9999"
                placeholder="请输入排序"
                style="width: 100%"
              />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="图标" prop="icon">
              <image-upload
                v-model="form.icon"
                :limit="1"
                :is-show-tip="false"
                :file-size="10"
              />
            </el-form-item>
          </el-col>
        </el-row>

        <el-form-item label="详情内容" prop="content">
          <editor v-model="form.content" :min-height="200" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 查看项目案例对话框 -->
    <el-dialog title="查看项目案例" :visible.sync="viewOpen" width="800px" append-to-body>
      <el-descriptions :column="2" border labelStyle="width: 100px; text-align: center;">
        <el-descriptions-item label="标题">{{ viewData.title }}</el-descriptions-item>
        <el-descriptions-item label="排序">{{ viewData.sort }}</el-descriptions-item>
        <el-descriptions-item label="是否展示">
          <el-tag :type="viewData.status === 1 ? 'success' : 'danger'">
            {{ viewData.status === 1 ? "显示" : "隐藏" }}
          </el-tag>
        </el-descriptions-item>
        <el-descriptions-item label="创建时间">{{
          viewData.createTime
        }}</el-descriptions-item>
        <el-descriptions-item label="简介" :span="2">{{
          viewData.intro
        }}</el-descriptions-item>
        <el-descriptions-item label="图标" :span="2">
          <image-preview :src="viewData.icon" :width="100" :height="100" />
        </el-descriptions-item>
        <el-descriptions-item label="详情内容" :span="2">
          <div class="content-preview" v-html="viewData.content"></div>
        </el-descriptions-item>
      </el-descriptions>
      <div slot="footer" class="dialog-footer">
        <el-button @click="viewOpen = false">关 闭</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listProjectCase,
  getProjectCase,
  delProjectCase,
  addProjectCase,
  updateProjectCase,
} from "@/api/tianqi/projectCase";

export default {
  name: "ProjectCase",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 项目案例表格数据
      projectCaseList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否显示查看弹出层
      viewOpen: false,
      // 查看数据
      viewData: {},
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        title: [{ required: true, message: "标题不能为空", trigger: "blur" }],
        intro: [{ required: true, message: "简介不能为空", trigger: "blur" }],
        icon: [{ required: true, message: "请上传图标", trigger: "blur" }],
        sort: [{ required: true, message: "排序不能为空", trigger: "blur" }],
        content: [{ required: true, message: "详情内容不能为空", trigger: "blur" }],
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询项目案例列表 */
    getList() {
      this.loading = true;
      listProjectCase(this.queryParams)
        .then((res) => {
          this.projectCaseList = res.rows;
          this.total = res.total;
        })
        .finally(() => {
          this.loading = false;
        });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        intro: null,
        icon: null,
        sort: 0,
        status: 1,
        content: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加项目案例";
    },
    /** 查看按钮操作 */
    handleView(row) {
      getProjectCase(row.id).then((res) => {
        this.viewData = res.data;
        this.viewOpen = true;
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getProjectCase(id).then((res) => {
        this.form = res.data;
        this.open = true;
        this.title = "修改项目案例";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          let request = this.form.id ? updateProjectCase : addProjectCase;
          request(this.form).then((res) => {
            this.$modal.msgSuccess("操作成功");
            this.open = false;
            this.getList();
          });
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row ? row.id : this.ids;
      this.$modal
        .confirm("是否确认删除选中的" + (row ? 1 : ids.length) + "个项目案例？")
        .then(() => {
          delProjectCase(ids).then(() => {
            this.getList();
            this.$modal.msgSuccess("删除成功");
          });
        })
        .catch(() => {});
    },
    /** 修改显示状态 */
    handleStatusChange(row) {
      const next = Number(row.status);
      const prev = next == 0 ? 1 : 0;
      const text = next == 0 ? "隐藏" : "显示";
      this.$modal
        .confirm("确认要" + text + "该项目案例吗？")
        .then(() => updateProjectCase({ id: row.id, status: next }))
        .then(() => this.getList())
        .catch(() => {
          row.status = prev;
        });
    },
  },
};
</script>

<style lang="scss" scoped>
.current-row {
  background-color: #f5f7fa;
}
.content-preview {
  max-height: 300px;
  overflow-y: auto;
}
</style>
